(19)
(11) EP 0 671 661 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
16.07.1997 Bulletin 1997/29

(43) Date of publication A2:
13.09.1995 Bulletin 1995/37

(21) Application number: 95103268.9

(22) Date of filing: 07.03.1995
(51) International Patent Classification (IPC)6G03F 7/039
(84) Designated Contracting States:
DE GB

(30) Priority: 08.03.1994 JP 37206/94

(71) Applicant: FUJI PHOTO FILM CO., LTD.
Kanagawa (JP)

(72) Inventors:
  • Kitatani, Katsuji, c/o Fuji Photo Film Co., Ltd.
    Yoshida-cho, Haibara-gun, Shizuoka (JP)
  • Kawamura, Koichi, c/o Fuji Photo Film Co., Ltd.
    Yoshida-cho, Haibara-gun, Shizuoka (JP)
  • Akiyama, Keiji, c/o Fuji Photo Film Co., Ltd.
    Yoshida-cho, Haibara-gun, Shizuoka (JP)
  • Inno, Toshifumi, c/o Fuji Photo Film Co., Ltd.
    Yoshida-cho, Haibara-gun, Shizuoka (JP)

(74) Representative: Grünecker, Kinkeldey, Stockmair & Schwanhäusser Anwaltssozietät 
Maximilianstrasse 58
80538 München
80538 München (DE)

   


(54) Photosensitive lithographic printing plate


(57) A photosensitive lithographic printing plate which provides a wide range of proper conditions for development, high impression capacity, a flexible film sufficient in adhesion to a support and excellent processing suitability with a weakly alkaline developer (pH 12.5 or less) is disclosed. The photosensitive lithographic printing plate comprises a support and a photosensitive layer provided thereon, wherein the photosensitive layer is formed from a photosensitive composition containing at least a two-equivalent coupler residue-containing compound and a photosensitive compound or a photosensitive mixture acting as a positive type.





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